Gracious
Seana is the feminine form of Sean, which is the Irish version of John. It shares the same etymological roots as Jane and Joan, ultimately derived from the Hebrew name Yochanan. While less common than Shauna or Shawna, it retains a distinct Gaelic flair.
Less common today
Seana isn't in the latest US Top 1000. It last peaked at #2,666 in 1992.
Irish actress known for the film A Date for Mad Mary
Award-winning Canadian stage actress
US births per 5-year period, 1990βpresent (SSA data).